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3 years ago

Southern Bank has two types of account.

Mathematics

2 answers:

Zepler [3.9K]3 years ago

6 0

Answer:

a. sue: $2085.24

bill:$2530

romanna [79]3 years ago

3 0

Answer:

see picture for full answer explanation

Step-by-step explanation:

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What am I doing right

Oduvanchick [21]

Although your -3 point is correct you need to graph the other point on (3,1) rather than (3,0)
so change that.

5 0

3 years ago

According to the February 2008 Federal Trade Commission report on consumer fraud and identity theft, 23% of all complaints in 20

Vikentia [17]

Answer:

Random variable: for this case represent the number of complaints in 2007

Population parameter: represent the real proportion of complaints in 2007 p

Hypothesis to verify

We want to check if the true proportion of complaints in 2007 is equal to 0.23, the system of hypothesis are.:

Null hypothesis: $p=0.23$

Alternative hypothesis: $p \neq 0.23$

Step-by-step explanation:

Information provided

n=1432 represent the random sample taken

X=321 represent the number of complaints

$\hat p=\frac{321}{1432}=0.224$ estimated proportion of complaints in 2007

$p_o=0.23$ is the value to verify

z would represent the statistic

Random variable: for this case represent the number of complaints in 2007

Population parameter: represent the real proportion of complaints in 2007 p

Hypothesis to verify

We want to check if the true proportion of complaints in 2007 is equal to 0.23, the system of hypothesis are.:

Null hypothesis: $p=0.23$

Alternative hypothesis: $p \neq 0.23$

3 0

3 years ago

Which two events have the same probability the spinner is divided into 8 equal sections

umka21 [38]

Answer:

N/A

Step-by-step explanation:

Not enough context is given for the problem.

Just remember, though:

And = Multiplication

Or = Addition

1/8 chance for each section

4 0

3 years ago

A thermometer is taken from a room where the temperature is 24oc to the outdoors, where the temperature is −15oc. After one minu

kap26 [50]

Solution:

Use Newton's Law of Cooling.

T = T_s + (T_0 - T_s)*e^(-kt)

where

T = temperature at any instant

T_s = temperature of surroundings

T_0 = original temperature

t = elapsed time

k = constant

Now, we need to find this constant. We are given that after one hour, the temperature drops to 13° C in a 7°C Environment.

T = 14, T_0 = 24, T_s = -15, t = 1, k = ?

T = T_s + (T_0 - T_s)*e^(-kt)

==> 14 = -15 + (24 - 7)*e^(-k)

==> 14 = 7 + 17*e^(-k)

==> 7 = 17*e^(-k)

==> 7/13 = e^(-k)

==> -k = ln(7/17)

==> k = -ln(7/17) ≈ 0.774

Now,

Let's calculate temperatures!

T = ?, T_0 = 24, T_s = -15, k = 0.773, t = 3

T = T_s + (T_0 - T_s)*e^(-kt)

==> T = -15 + (24 –(-15))*e^[ -(0.774)(2) ]

==> T = -15 + 39*e^(-1.548)

==> T ≈ 15.72° C

This the required answer.

7 0

3 years ago

A lake has 10,000 fish.when a fishman scoops up his net ,he catches 500 fish. Suppose 150 of the 500 fish in his net are salmon.

Inessa [10]

You need x 20 to get to 10000, so do the same with 150 and get 3000, so it is 3000/10000

8 0

3 years ago

Read 2 more answers